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Question
Exercise.
Calculate the amount of charge that would flow in 2 hours through an element of an electric bulb drawing a current of 2.5 A.
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Solution
Given: Time ‘t’ = 2 hours = 2 × 60 × 60s
t = 7200s
I = 2.5A
Amount of charge, Q = I × t
= 2.5 × 7200
Q = 18000C
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